/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.flinkx.api.function.util

import org.apache.flink.api.common.functions.ReduceFunction

/** A wrapper function that exposes a Scala Function2 as a [[ReduceFunction]].
  */
final class ScalaReduceFunction[T](private[this] val function: (T, T) => T) extends ReduceFunction[T] {

  @throws(classOf[Exception])
  override def reduce(a: T, b: T): T = {
    function(a, b)
  }
}
